---
service: i.root-servers.net
start-period: '2013-12-26T00:00:00Z'
end-period: '2013-12-27T00:00:08Z'
metric: unique-sources
  num-sources-ipv4: 2696572
  num-sources-ipv6: 80242
  num-sources-ipv6-aggregate: 49546